:root{--navy:#07376b;--blue:#0c65a8;--gold:#f2a900;--bg:#f4f7fb;--ink:#17202a;--muted:#6b7785;--green:#14804a;--red:#c73b3b}
*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.layout{display:grid;grid-template-columns:235px 1fr;min-height:100vh}.sidebar{background:var(--navy);color:#fff;padding:22px 16px;position:sticky;top:0;height:100vh}.brand{font-size:23px;font-weight:800;margin-bottom:5px}.brand small{display:block;font-size:11px;color:#dfe9f5;font-weight:500}.nav{margin-top:28px;display:grid;gap:7px}.nav a{padding:11px 12px;border-radius:9px;color:#eaf2fb}.nav a:hover{background:#124a82}.main{padding:28px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.userchip{background:#fff;padding:9px 12px;border-radius:9px;box-shadow:0 2px 10px #0000000d}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.card{background:#fff;border-radius:13px;padding:18px;box-shadow:0 3px 16px #103d660c;border:1px solid #e5ebf1}.metric b{font-size:27px;color:var(--navy);display:block}.metric span{color:var(--muted);font-size:13px}.section{margin-top:18px}.btn{border:0;border-radius:8px;padding:10px 14px;cursor:pointer;background:var(--navy);color:#fff;font-weight:650;display:inline-block}.btn.gold{background:var(--gold);color:#1f2b38}.btn.light{background:#eaf1f8;color:var(--navy)}.btn.green{background:var(--green)}.btn.red{background:var(--red)}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:10px 9px;border-bottom:1px solid #e8edf2;text-align:left;font-size:13px}th{background:#edf3f9;color:var(--navy);font-size:12px}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;font-weight:650}.field input,.field select,.field textarea{width:100%;padding:10px 11px;border:1px solid #ccd6e0;border-radius:8px;background:#fff;font:inherit}.field textarea{min-height:82px}.span2{grid-column:span 2}.pill{font-size:11px;padding:4px 8px;border-radius:99px;background:#e8f1fb;color:var(--navy);font-weight:700}.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.notice{padding:12px;border-radius:9px;background:#fff4d6;border:1px solid #f5d875;margin:12px 0}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#07376b,#0c65a8)}.login-card{width:min(420px,92vw);background:#fff;padding:28px;border-radius:16px;box-shadow:0 16px 40px #0003}.login-card h1{color:var(--navy);margin:0 0 6px}.muted{color:var(--muted)}.builder{display:grid;grid-template-columns:1fr 1.2fr;gap:16px}.catalog-list{max-height:540px;overflow:auto}.catalog-item{border:1px solid #e1e7ef;border-radius:9px;padding:10px;margin:8px 0;background:#fff}.catalog-item .line{display:grid;grid-template-columns:1fr 80px 90px;gap:8px;align-items:center}.selected-row{display:grid;grid-template-columns:1fr 90px 95px 45px;gap:8px;align-items:center;padding:8px;border-bottom:1px solid #e6ebf0}.totalbox{font-size:16px;text-align:right;margin-top:12px}.verify{max-width:720px;margin:40px auto}.ok{border-left:5px solid var(--green)}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.nav{grid-template-columns:repeat(3,1fr);margin-top:15px}.main{padding:16px}.grid{grid-template-columns:repeat(2,1fr)}.builder{grid-template-columns:1fr}.formgrid{grid-template-columns:1fr}.span2{grid-column:auto}}
@media(max-width:520px){.grid{grid-template-columns:1fr}.nav{grid-template-columns:repeat(2,1fr)}.top{align-items:flex-start;gap:8px;flex-direction:column}.selected-row{grid-template-columns:1fr 70px 80px 40px}}
.brand-x{display:block;font-size:22px;letter-spacing:.3px}.brand-group{display:block;font-size:12px;letter-spacing:2px;color:#f2a900;margin-top:-2px}.notice.success{background:#eaf8f0;border-color:#9fd9b7}.notice.error{background:#fdecec;border-color:#efaaaa}.table-scroll{overflow:auto}.invoice-sheet{position:relative;width:min(100%,900px);min-height:1060px;margin:0 auto;background:#fff;border:1px solid #dfe6ee;box-shadow:0 8px 30px #0b2e4f1a;padding:36px 44px 56px;overflow:hidden}.preview-watermark{position:absolute;top:44%;left:15%;font-size:120px;font-weight:900;color:#0c65a80d;transform:rotate(-24deg);pointer-events:none}.invoice-head{display:flex;justify-content:space-between;gap:28px;border-bottom:8px solid var(--navy);padding-bottom:16px}.invoice-logo{font-size:31px;font-weight:900;color:var(--navy)}.invoice-logo span{font-size:14px;letter-spacing:2px;color:#1d2630}.invoice-company{font-size:12px;line-height:1.45;text-align:right}.invoice-title{text-align:center;font-size:26px;font-weight:800;color:var(--navy);margin:34px 0 24px}.invoice-meta{display:grid;grid-template-columns:1fr 1fr;gap:18px;background:#f6f9fc;border:1px solid #dfe6ee;padding:14px;margin-bottom:22px;font-size:13px}.invoice-table{margin-top:8px}.invoice-totals{display:flex;justify-content:flex-end;margin-top:24px}.invoice-totals table{width:390px}.invoice-totals .grand th{background:var(--gold);font-size:15px}.qr-placeholder{margin-top:28px;font-size:11px;color:var(--muted);text-align:right}
@media(max-width:700px){.invoice-sheet{padding:24px 18px;min-height:auto}.invoice-head{flex-direction:column}.invoice-company{text-align:left}.invoice-meta{grid-template-columns:1fr}.preview-watermark{font-size:72px;left:8%}}